Cassette storage case



FIG. 1 is a perspective view of a cassette storage case showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a right side elevational view as seen when in use, the left side being a mirror image thereof. 

The ornamental design for a cassette storage case, substantially as shown and described. 